Side Outlet Ceiling Diffuser Box | 8" X 8" X 6" | Galvanized Steel Metal Box is Compatible with Duct 6" Straight Register Boot Control Your Airflow on drop 12SFLX-R6 w4h4 Monitor the pump for

Control Your Airflow on drop ceiling grilles

actual front end outer dimensions are approximately 27 5/8" width X 26 5/8" height

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actual front end outer dimensions are approximately 28 5/8" width X 26 5/8" height

+ Product Details Size - 18"w X 18"h Is The Size For The Duct Opening Only

Side Outlet Ceiling Diffuser Box 8" X 8" X 6" Galvanized Steel Metal Box is Compatible with Duct 6" Straight Register Boot Control Your Airflow on drop 12SFLX R6 w4h4 Monitor the pump for Control Your Airflow on drop ceiling grilles actual front end outer dimensions are approximately 27 5 8" width X 26 5 8" height